LTC3731 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3731 is a 1 channel, 12 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 36.00 V and output current goes up to 240.00 A.

The Controller features fixed 600 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3731 is available in 2 package option(s): QFN-32 SSOP-36 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 4.00 V
V-IN max. 36.00 V
I-OUT? 240.00 A
V-OUT min. 0.60 V
V-OUT max. 6.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 600 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. yes
ext.clock Frequency min. 250 kHz
ext.clock Frequency max. 600 kHz
Softstart
Softstart adjustable
Tracking no
Power Good (PG)
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode yes
Single/ Multiphase multi
Nr. of Phases 12
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 2
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP SSOP-36
DIP

LTC3731 Datasheet

Link to the most up-to-date LTC3731 datasheet and the product page for EVM, tools and support information.

LTC3731

LTC3731 inventory, samples and price

OEMSecrets.com
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Available Distributors with stock: 5

ARROW-NAC (3)

ProductStockPriceBuy
LTC3731CUH41
16.52 USD
1005.37 USD
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LTC3731CUH#PBF150
16.52 USD
1005.37 USD
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LTC3731IUH#PBF1840
15.89 USD
1005.27 USD
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Chip-One-Stop (4)

ProductStockPriceBuy
LTC3731CUH41
19.92 USD
58.48 USD
108.28 USD
Buy Now
LTC3731CUH#PBF492
110.10 USD
58.63 USD
108.43 USD
507.95 USD
1007.49 USD
2007.32 USD
Buy Now
LTC3731IUH511
178.60 USD
574.10 USD
1069.80 USD
2568.30 USD
5067.50 USD
Buy Now
LTC3731IUH#PBF1811
19.29 USD
57.94 USD
107.75 USD
507.31 USD
1006.89 USD
2006.73 USD
Buy Now

DIGI-KEY (5)

ProductStockPriceBuy
LTC3731CUH#PBF280
19.17 USD
256.52 USD
1005.37 USD
Buy Now
LTC3731IUH#PBF161
19.92 USD
256.59 USD
1005.27 USD
Buy Now
LTC3731IG#PBF148
19.67 USD
256.88 USD
1005.66 USD
Buy Now
DC438A2
1150.75 USD
Buy Now
LTC3731CG#PBF9
18.67 USD
256.16 USD
1005.07 USD
Buy Now
LTC3731HG#PBF0
2595.15 USD
Buy Now
LTC3731CG#TRPBF0
20005.17 USD
Buy Now
LTC3731HG#TRPBF0
20005.25 USD
Buy Now
LTC3731IUH#TRPBF0
25005.37 USD
Buy Now
LTC3731CUH#TRPBF0
25005.47 USD
Buy Now
LTC3731IG#TRPBF0
20005.76 USD
Buy Now
LTC3731HUH#PBF0
2926.07 USD
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LTC3731HUH#TRPBF0
25006.17 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC3731CUH#PBF10Buy Now

NEWARK (2)

ProductStockPriceBuy
LTC3731CG#PBF32
15.07 USD
255.07 USD
1005.07 USD
Buy Now
LTC3731CUH#PBF1
15.37 USD
255.37 USD
1005.37 USD
Buy Now
LTC3731HG#PBF0
110.46 USD
256.89 USD
1005.10 USD
Buy Now
LTC3731IUH#PBF0
19.91 USD
256.59 USD
1005.27 USD
Buy Now

Available Distributors without stock: 1

Element14 (0)

ProductStockPriceBuy
LTC3731CUH#PBF0
114.65 USD
2510.42 USD
1008.58 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3731 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3731. Or, compare LTC3731 side-by-side with other Buck Controller via the Comparison function.

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Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3731.

V-IN max. 36 V, I-OUT 240 A, V-OUT min. 0.6 V, Frequency typ. 600 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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Last Tweets
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